2
-1

START

2-

1

1

4
-2

1

3
-2

4
-2

START

START

START

START

START

START

START

START

START

START

START

2-

2-

2-

2-

2-

2-

2-

2-

2-

2-

2-

1

1

1

1

1

1

1

1

1

1

1

2
-1

2
-1

2
-1

2
-1

2
-1

2
-1

2
-1

2
-1

2
-1

2
-1

2
-1

1

1

1

1

1

1

1

1

1

1

1

4
-2

4
-2

4
-2

4
-2

4
-2

4
-2

4
-2

4
-2

4
-2

4
-2

4
-2

1

1

1

1

1

1

1

1

1

1

1

3
-2

3
-2

3
-2

3
-2

3
-2

3
-2

3
-2

3
-2

3
-2

3
-2

3
-2

4
-2

4
-2

4
-2

4
-2

4
-2

4
-2

4
-2

4
-2

4
-2

4
-2

4
-2

1

2
-1

1

1

1

1

1

1

1

1

1

1

1

2
-1

2
-1

2
-1

2
-1

2
-1

2
-1

2
-1

2
-1

2
-1

2
-1

2
-1